#include "list.h"
using namespace std;
namespace xywl {
    struct AA
	{
		int _a1 = 1;
		int _a2 = 1;
	};
    template<class Container>
	void print_container(const Container& con)
	{
		// const iterator -> 迭代器本身不能修改
		// const_iterator -> 指向内容不能修改
		typename Container::const_iterator it = con.begin();
		//auto it = con.begin();
		while (it != con.end())
		{
			//*it += 10;

			cout << *it << " ";
			++it;
		}
		cout << endl;

		for (auto e : con)
		{
			cout << e << " ";
		}
		cout << endl;
	}
    void test_list1()
	{
		list<int> lt;
		lt.push_back(1);
		lt.push_back(2);
		lt.push_back(3);
		lt.push_back(4);

		list<int>::iterator it = lt.begin();
		while (it != lt.end())
		{
			*it += 10;

			cout << *it << " ";
			++it;
		}
		cout << endl;

		for (auto e : lt)
		{
			cout << e << " ";
		}
		cout << endl;
		print_container(lt);

		list<AA> lta;
		lta.push_back(AA());
		lta.push_back(AA());
		lta.push_back(AA());
		lta.push_back(AA());
		list<AA>::iterator ita = lta.begin();
		while (ita != lta.end())
		{
			//cout << (*ita)._a1 << ":" << (*ita)._a2 << endl;
			// 特殊处理，本来应该是两个->才合理，为了可读性，省略了一个->
			cout << ita->_a1 << ":" << ita->_a2 << endl;
			cout << ita.operator->()->_a1 << ":" << ita.operator->()->_a2 << endl;

			++ita;
		}
		cout << endl;
	}

	void test_list2()
	{
		list<int> lt;
		lt.push_back(1);
		lt.push_back(2);
		lt.push_back(3);
		lt.push_back(4);

		// insert以后迭代器不失效
		list<int>::iterator it = lt.begin();
		lt.insert(it, 10);
		*it += 100;

		print_container(lt);

		// erase以后迭代器失效
		// 删除所有的偶数
		it = lt.begin();
		while (it != lt.end())
		{
			if (*it % 2 == 0)
			{
				it = lt.erase(it);
			}
			else
			{
				++it;
			}
		}

		print_container(lt);
	}

	void test_list3()
	{
		list<int> lt1;
		lt1.push_back(1);
		lt1.push_back(2);
		lt1.push_back(3);
		lt1.push_back(4);

		list<int> lt2(lt1);

		print_container(lt1);
		print_container(lt2);

		list<int> lt3;
		lt3.push_back(10);
		lt3.push_back(20);
		lt3.push_back(30);
		lt3.push_back(40);

		lt1 = lt3;
		print_container(lt1);
		print_container(lt3);
	}

	void func(const list<int>& lt)
	{
		print_container(lt);
	}

	void test_list4()
	{
		// 直接构造
		list<int> lt0({ 1,2,3,4,5,6 });
		// 隐式类型转换
		list<int> lt1 = { 1,2,3,4,5,6,7,8 };
		const list<int>& lt3 = { 1,2,3,4,5,6,7,8 };

		func(lt0);
		func({ 1,2,3,4,5,6 });

		print_container(lt1);
		
		//auto il = { 10, 20, 30 };
	/*	initializer_list<int> il = { 10, 20, 30 };
		cout << typeid(il).name() << endl;
		cout << sizeof(il) << endl;*/
	}
}

int main() {
    // xywl::test_list1();
    // xywl::test_list2();
    // xywl::test_list3();
    // xywl::test_list4();
    return 0;
}